Viewport <#document> at [0,0] [0+0+0 800 0+0+0] [0+0+0 600 0+0+0] [BFC] children: not-inline BlockContainer at [0,0] [0+0+0 800 0+0+0] [0+0+0 268 0+0+0] [BFC] children: not-inline BlockContainer at [8,8] [8+0+0 784 0+0+8] [8+0+0 252 0+0+8] children: not-inline Box at [9,9] flex-container(column) [0+1+0 250 0+1+532] [0+1+0 250 0+1+0] [FFC] children: not-inline BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> (not painted) BlockContainer at [10,10] flex-item [0+1+0 100 0+1+0] [0+1+0 100 0+1+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [10,10 6.34375x18] baseline: 13.796875 "1" TextNode <#text> (not painted) BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> (not painted) BlockContainer at [10,112] flex-item [0+1+0 100 0+1+0] [0+1+0 100 0+1+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [10,112 8.8125x18] baseline: 13.796875 "2" TextNode <#text> (not painted) BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> (not painted) BlockContainer at [135,10] flex-item [0+1+0 100 0+1+0] [0+1+0 100 0+1+0] [BFC] children: inline frag 0 from TextNode start: 0, length: 1, rect: [135,10 9.09375x18] baseline: 13.796875 "3" TextNode <#text> (not painted) BlockContainer <(anonymous)> (not painted) [BFC] children: inline TextNode <#text> (not painted) BlockContainer <(anonymous)> at [8,260] [0+0+0 784 0+0+0] [0+0+0 0 0+0+0] children: inline TextNode <#text> (not painted) ViewportPaintable (Viewport<#document>) [0,0 800x600] PaintableWithLines (BlockContainer) [0,0 800x268] PaintableWithLines (BlockContainer) [8,8 784x252] PaintableBox (Box
.container.column) [8,8 252x252] PaintableWithLines (BlockContainer
.box) [9,9 102x102] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer
.box) [9,111 102x102] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer
.box) [134,9 102x102] TextPaintable (TextNode<#text>) PaintableWithLines (BlockContainer(anonymous)) [8,260 784x0] SC for Viewport<#document> [0,0 800x600] [children: 1] (z-index: auto) SC for BlockContainer [0,0 800x268] [children: 0] (z-index: auto)